PPAPI: header comments on when PPP_Instance::DidDestroy and PPP_ShutdownModule

are called on trusted and untrusted implementations.

BUG=91758
TEST=n/a
Review URL: http://codereview.chromium.org/7576026

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@95835 0039d316-1c4b-4281-b951-d872f2087c98

ppapi/api/ppp.idl

@@ -70,8 +70,12 @@ PP_EXPORT int32_t PPP_InitializeModule(PP_Module module,
  * Since your module runs in a separate process, there's no need to free
  * allocated memory. There is also no need to free any resources since all of
  * resources associated with an instance will be force-freed when that instance
- * is deleted. Moreover, this function will not be called when Chrome does
- * "fast shutdown" of a web page.
+ * is deleted.
+ *
+ * <strong>Note:</strong> This function will always be skipped on untrusted
+ * (Native Client) implementations. This function may be skipped on trusted
+ * implementations in certain circumstances when Chrome does "fast shutdown"
+ * of a web page.
  */
 PP_EXPORT void PPP_ShutdownModule();
 /**

ppapi/api/ppp_instance.idl

@@ -89,17 +89,18 @@ interface PPP_Instance {
    * instance but this isn't required; all resources associated with the deleted
    * instance will be automatically freed when this function returns.
    *
-   * The instance identifier will still be valid during this call so the module
+   * The instance identifier will still be valid during this call, so the module
    * can perform cleanup-related tasks. Once this function returns, the
    * <code>PP_Instance</code> handle will be invalid. This means that you can't
-   * do any asynchronous operations like network requests or file writes from
-   * this function since they will be immediately canceled.
-   *
-   * <strong>Note:</strong> This function may be skipped in certain
-   * circumstances when Chrome does "fast shutdown". Fast shutdown will happen
-   * in some cases when all module instances are being deleted, and no cleanup
-   * functions will be called. The module will just be unloaded and the process
-   * terminated.
+   * do any asynchronous operations like network requests, file writes or
+   * messaging from this function since they will be immediately canceled.
+   *
+   * <strong>Note:</strong> This function will always be skipped on untrusted
+   * (Native Client) implementations. This function may be skipped on trusted
+   * implementations in certain circumstances when Chrome does "fast shutdown"
+   * of a web page. Fast shutdown will happen in some cases when all module
+   * instances are being deleted, and no cleanup functions will be called.
+   * The module will just be unloaded and the process terminated.
    *
    * @param[in] instance A <code>PP_Instance</code> indentifying one instance
    * of a module.

ppapi/c/ppp.h

@@ -3,7 +3,7 @@
  * found in the LICENSE file.
  */
 
-/* From ppp.idl modified Thu Jul 21 16:38:20 2011. */
+/* From ppp.idl modified Mon Aug  8 06:47:44 2011. */
 
 #ifndef PPAPI_C_PPP_H_
 #define PPAPI_C_PPP_H_
@@ -78,8 +78,12 @@ PP_EXPORT int32_t PPP_InitializeModule(PP_Module module,
  * Since your module runs in a separate process, there's no need to free
  * allocated memory. There is also no need to free any resources since all of
  * resources associated with an instance will be force-freed when that instance
- * is deleted. Moreover, this function will not be called when Chrome does
- * "fast shutdown" of a web page.
+ * is deleted.
+ *
+ * <strong>Note:</strong> This function will always be skipped on untrusted
+ * (Native Client) implementations. This function may be skipped on trusted
+ * implementations in certain circumstances when Chrome does "fast shutdown"
+ * of a web page.
  */
 PP_EXPORT void PPP_ShutdownModule();
 /**

ppapi/c/ppp_instance.h

@@ -3,7 +3,7 @@
  * found in the LICENSE file.
  */
 
-/* From ppp_instance.idl modified Wed Jul 20 11:17:15 2011. */
+/* From ppp_instance.idl modified Mon Aug  8 06:46:25 2011. */
 
 #ifndef PPAPI_C_PPP_INSTANCE_H_
 #define PPAPI_C_PPP_INSTANCE_H_
@@ -93,17 +93,18 @@ struct PPP_Instance {
    * instance but this isn't required; all resources associated with the deleted
    * instance will be automatically freed when this function returns.
    *
-   * The instance identifier will still be valid during this call so the module
+   * The instance identifier will still be valid during this call, so the module
    * can perform cleanup-related tasks. Once this function returns, the
    * <code>PP_Instance</code> handle will be invalid. This means that you can't
-   * do any asynchronous operations like network requests or file writes from
-   * this function since they will be immediately canceled.
-   *
-   * <strong>Note:</strong> This function may be skipped in certain
-   * circumstances when Chrome does "fast shutdown". Fast shutdown will happen
-   * in some cases when all module instances are being deleted, and no cleanup
-   * functions will be called. The module will just be unloaded and the process
-   * terminated.
+   * do any asynchronous operations like network requests, file writes or
+   * messaging from this function since they will be immediately canceled.
+   *
+   * <strong>Note:</strong> This function will always be skipped on untrusted
+   * (Native Client) implementations. This function may be skipped on trusted
+   * implementations in certain circumstances when Chrome does "fast shutdown"
+   * of a web page. Fast shutdown will happen in some cases when all module
+   * instances are being deleted, and no cleanup functions will be called.
+   * The module will just be unloaded and the process terminated.
    *
    * @param[in] instance A <code>PP_Instance</code> indentifying one instance
    * of a module.

ppapi/cpp/instance.h

@@ -58,11 +58,12 @@ class Instance {
   /// asynchronous operations like network requests or file writes from this
   /// destructor since they will be immediately canceled.
   ///
-  /// <strong>Important note:</strong> This function may be skipped in certain
-  /// circumstances when Chrome does "fast shutdown". Fast shutdown will happen
-  /// in some cases when all plugin instances are being deleted, and no cleanup
-  /// functions will be called. The module will just be unloaded and the process
-  /// terminated.
+  /// <strong>Important note:</strong> This function will always be skipped on
+  /// untrusted (Native Client) implementations. This function may be skipped
+  /// in certain circumstances when Chrome does "fast shutdown". Fast shutdown
+  /// will happen in some cases when all plugin instances are being deleted,
+  /// and no cleanup functions will be called. The module will just be unloaded
+  /// and the process terminated.
   virtual ~Instance();
 
   /// Returns the PP_Instance identifying this object. When using the PPAPI C++